package com.fesine.common;

import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.config.IniSecurityManagerFactory;
import org.apache.shiro.mgt.SecurityManager;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.util.Factory;

/**
 * Created by Fesine on 2016/6/13.
 */
public class ShiroUtil {

    public static Subject login(String configFile, String userName, String password) {
        //读取配置文件，初始化SecurityManager工厂
        Factory<SecurityManager> factory = new IniSecurityManagerFactory
                (configFile);
        //获取securityManager实例
        SecurityManager securityManager = factory.getInstance();
        //把securityManager绑定到SecurityUtils上
        SecurityUtils.setSecurityManager(securityManager);
        //得到当前执行的用户
        Subject subject = SecurityUtils.getSubject();
        //创建token令牌，用户名|密码
        UsernamePasswordToken token = new UsernamePasswordToken(userName, password);
        try {
            subject.login(token);
            System.out.println("身份认证成功！");
        } catch (AuthenticationException e) {
            e.printStackTrace();
            System.out.println("身份认证失败！");
        }

        return subject;
    }
}
